title: A systematic literature review of factors affecting outcome in older medical patients admitted to hospital.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000704:Analysis of Variance; D015897:Comorbidity; D003953:Diagnosis-Related Groups; D005260:Female; D006764:Hospitals, Community / Q000592:standards / Q000706:statistics & numerical data*; D006801:Humans; D007902:Length of Stay / Q000706:statistics & numerical data*; D008297:Male; D008875:Middle Aged; D017063:Outcome Assessment, Health Care / Q000706:statistics & numerical data*; D010343:Patient Admission / Q000706:statistics & numerical data; D011379:Prognosis; D011446:Prospective Studies; D012307:Risk Factors